Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. cogeneration uses...
Means less power is transmitted
Momentum
Waste heat for secondary uses
Might stay the same

2. The theoretical production curve of oil indicates oil production is...
Mechanical - chemical - and radiant energy
Near a maximum
Might stay the same
Momentum

3. The gravitational force - two masses are directly proportional to the mass of each object
Newtons second principle of Universal Gravitation
Difference between the heat supplied and the heat exhausted
263 degrees kelvin
Increasing speed and constant acceleration

4. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Difference in the sped of light in water vs. air
263 degrees kelvin
12 miles per hour
Newtons third principle of Universal Gravitation

5. Entropy refers to...
Disorder
Near a maximum
Third principle of Centripetal force
263 degrees kelvin

6. The ozone hole results from...
Increasing speed and constant acceleration
Second principle of Centripetal force
Difference in the sped of light in water vs. air
Halogen radicals interfering in ozone synthesis

7. Circular motion requires centripetal force
First principle of Centripetal force
Might stay the same
Disorder
Halogen radicals interfering in ozone synthesis

8. In burning coal - what contaminant is of major concern as a pollutant...
12 miles per hour
Sulfur
Newtons first principle of Universal Gravitation
Less on the moon

9. If a charging elephant has kinetic energy - it must also have...
Total internal energy of an object
Momentum
Newtons third principle of Universal Gravitation
Sulfur

10. The work that a heat engine is able to accomplish is ideally equivalent to the
Second principle of Centripetal force
Difference between the heat supplied and the heat exhausted
263 degrees kelvin
Mechanical - chemical - and radiant energy

11. All objects with mass are attracted to another by the gravitational force
Momentum
Near a maximum
263 degrees kelvin
Newtons first principle of Universal Gravitation

12. A temperature of -10 degrees celsius is equivalent to...
263 degrees kelvin
Total internal energy of an object
First principle of Centripetal force
Increasing speed and constant acceleration

13. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Mechanical - chemical - and radiant energy
Waste heat for secondary uses
Momentum
12 miles per hour

14. When you add heat to a substance - its temperature...
Total internal energy of an object
Might stay the same
Heat of fusion
Increasing speed and constant acceleration

15. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Increasing speed and constant acceleration
Decreased
Movement
Might stay the same

16. Which is not one of the fundamental forces of nature...
Third principle of Centripetal force
12 miles per hour
Universal
Less on the moon

17. Electrical energy can be converted to...
Mechanical - chemical - and radiant energy
Newtons third principle of Universal Gravitation
Waves and particles
Total internal energy of an object

18. In a generator - the flow of electrons (current) is created by...
Waste heat for secondary uses
Halogen radicals interfering in ozone synthesis
Movement
Waves and particles

19. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
First principle of Centripetal force
Near a maximum
Momentum
Remains unchanged

20. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Increases the energy
Near a maximum
Heat of fusion
12 miles per hour

21. From the 50's and to the 70's - the pH of rain in the northeast had..
263 degrees kelvin
Decreased
Movement
Total internal energy of an object

22. Electromagnetic radiation can be viewed as...
Sulfur
Waves and particles
Third principle of Centripetal force
Waste heat for secondary uses

23. Raising an auto in a service station requires work. Raising it twice as high requires...
Heat of fusion
Newtons second principle of Universal Gravitation
Means less power is transmitted
Twice the work

24. At a given speed - the centripetal force - the smaller the circle.
Second principle of Centripetal force
Third principle of Centripetal force
First principle of Centripetal force
Total internal energy of an object

25. Increasing the frequency of light
Universal
Might stay the same
Decreased
Increases the energy

26. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
Increases the energy
Increasing speed and constant acceleration
Newtons third principle of Universal Gravitation

27. The reason that a spear fisherman cannot see where the fish is actually located is...
Less on the moon
Movement
Heat of fusion
Difference in the sped of light in water vs. air

28. The weight of one kilogram of iron on earth is...
Waves and particles
Less on the moon
Means less power is transmitted
12 miles per hour

29. The larger the centripetal force - the faster an object travels in a circle of a given size
Momentum
Waste heat for secondary uses
Might stay the same
Second principle of Centripetal force

30. Heat is the...
Increasing speed and constant acceleration
Means less power is transmitted
Might stay the same
Total internal energy of an object

31. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Second principle of Centripetal force
Increasing speed and constant acceleration
Means less power is transmitted
Remains unchanged